Foreign visitors adapting to life in modern Japan have scores of advantages that travelers of the past could never have envisioned, even in their wildest dreams. Like e-mail, Skype, YouTube and the general all-encompassing mesh of the Internet.

But now there is a further boon. One that makes me shake my head in wonder. For my knee-scraped adjustment to the daily grind of Japanese life would have been so much smoother if only I'd had . . .

Kanji cookies.